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Puma
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It looks as if it is not a tube but a rod having tapered refractive index, in the same way as an optical fibre. Various modes can be excited by altering the direction of the wave launched into the waveguide by using a laser.Puma said:I think you are right, but I think also there must be some kind of coating as the light seems to get trapped into the exterior. Coating clear acrylics is quite common I believe to prevent scratching.
A sinusoidal path of light video is a type of visual representation that shows the movement of light in a sinusoidal or wave-like pattern. It is often used to demonstrate the properties of light, such as refraction and reflection.
A sinusoidal path of light video is typically created by directing a beam of light through a medium, such as water or glass, and capturing the movement of the light with a high-speed camera. The captured footage is then played back at a slower speed to highlight the sinusoidal pattern.
A sinusoidal path of light video can teach us about the behavior of light and how it interacts with different materials. It can also help us understand concepts such as wave motion and the properties of different wavelengths of light.
Sinusoidal path of light videos have various applications in fields such as physics, optics, and engineering. They can help scientists and researchers study and understand the properties of light, as well as aid in the design and development of optical devices.
While a sinusoidal path of light video can provide valuable insights into the behavior of light, it is important to note that it is a simplified representation and may not accurately reflect real-world scenarios. Factors such as the medium through which the light is passing and the angle of incidence can affect the outcome of the video. Therefore, caution should be taken when drawing conclusions solely based on these videos.